3.5 Plus 4 Addition :

Number 1	Number 2	Answer
3.5	4	7.5

How to calculate 3.5 plus 4 ?

Let's break down the addition of 3.5 and 400 step by step:

   3.5      <-- Start with the rightmost column
+  400
---------

    Add the digits in the rightmost column:
        5 + 0 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   3.5
+  400
---------
     5


    Add the digits in the rightmost column:
        3 + 4 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   3.5
+  400
---------
     7.5

    Continue to the left:
        There are no more columns to the left.

The final result is 7.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
3.6	12	15.6	3.6 plus 12
3.7	16	19.7	3.7 plus 16
3.8	25	28.8	3.8 plus 25
8.8	8	16.8	8.8 plus 8
1.8	7.2	9	1.8 plus 7.2
1.6	4.6	6.2	1.6 plus 4.6